Frontier Airlines online check-in: when it opens and closes
Frontier Airlines online check-in opens 24 hours before departure and closes 60 minutes before departure.
- Online check-in opens
- 24 hours before departure
- Online check-in closes
- 60 minutes before departure
- Where to check in
- Frontier Airlines website or mobile app
- Last verified
Open Frontier Airlines online check-in (flyfrontier.com)
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When does Frontier Airlines online check-in open?
Frontier Airlines online check-in opens 24 hours before the scheduled departure time.
When does Frontier Airlines online check-in close?
Frontier Airlines online check-in closes 60 minutes before the scheduled departure time.
Check-in starts 24 hours and closes strictly 60 minutes before departure.
What Frontier Airlines says
These times come from pages published by Frontier Airlines, last checked on November 5, 2026. Airlines change their rules, so confirm on the airline's page before you travel.
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check-in on the Frontier mobile app starts 24 hours before
Source: flyfrontier.com
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Check-in and checked bag acceptance closes 60 minutes before scheduled departure
Source: flyfrontier.com
See the check-in time for your own flight
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